Message in Chinese (Simplified) (中文(简体))
无法为此对象返回 RelationshipManager。只能为 ObjectStateManager 跟踪的对象或实现 IEntityWithRelationships 的对象返回 RelationshipManager。
Unlocalized message
A RelationshipManager cannot be returned for this object. A RelationshipManager can only be returned for objects that are either tracked by the ObjectStateManager or that implement IEntityWithRelationships.
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